Custom circle image view

Android supports imageview but it is bounded in rectangle. Sometime, we want to make something awesome or special, like circle image ^^. There are some ways to make circle image. We can create a circle shape as background. After that, load the image into it. Today, I will introduce another way. We don't need to make shape. We just create a CircleImage class to replace ImageView of android by default. Now, let 's start